Share 'Why don't evergreens drop their leaves in the fall?'

Hmmm, a timely question for the fall foliage season and a lesson that I don't remember being taught at forestry school (though I admit that I may not have been paying attention!)
https://www.morningagclips.com/why-dont-evergreens-drop-their-leaves-in-fall/
WASHINGTON (THE CONVERSATION) — It’s autumn in the Northern Hemisphere – otherwise known as leaf-peeping season. Now is when people head ou…